KB80562
Published: April 15, 2009
Revision: 3.0

Possible negative RMS readings from SNAP-AIPM


Applies To:

SNAP-AIPM

Versions Affected:

Problem was discovered in version: Modules manufactured March 2009
(Build code: JIXXXXXAC) and before
Problem is fixed in version: Modules manufactured April 2009
(Build code: JIXXXXXAE) and after

Resolved In Version:

Problem is fixed in version: Modules manufactured April 2009
(Build code: JIXXXXXAE) and after


Symptoms:

The SNAP-AIPM module incorrectly reports negative VRMS, or negative IRMS values. If you are seeing these negative readings, then you will also see from PAC Manager (Tools→Inspect, Status Read), that the Times Discovered value for the module is greater than 0.


Resolution:

Opto 22 has resolved this issue. If you suspect you have a module with this problem, contact Opto 22 Product Support to discuss the issue. If it's determined the module has the described bug, you'll be given an RMA to send the module in for repair.


Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com


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